UNIVERSITY EXAMINATIONS 2017/2018
EXAMINATION FOR THE DEGREE OF BACHELOR OF SCIENCE IN
INFORMATION TECHNOLOGY
BIT 1102A: INTERNET TECHNOLOGY
FULL TIME/PART TIME/DISTANCE LEARNING
DATE: DECEMBER, 2017 TIME: 2 HOURS
INSTRUCTIONS: Answer Question One & ANY OTHER TWO questions.
QUESTION 1: 30 MARKS
a) Define the terms 4 Marks
i. Maximum Transfer Unit (MTU)
ii. Internet
iii. World Wide Web (WWW)
iv. Communication Protocols
b) Discuss the reasons why TCP/IP protocol suite is popular 5 Marks
c) Discus three uses and three dangers of the Internet 6 Marks
d) Explain the advantages of The OSI Reference Model 5 Marks
e) By use of well labeled diagram explain what happens to a piece of data as it goes down the
OSI layers on the sender side and up the receiver side 8 Marks
f) Describe the use of the following fields in the IP packet header 2 Marks
i. Flag field
ii. Identification field
QUESTION 2: 20 MARKS
a) What is an IP address 2 Marks
b) Describe the difference between IPV4 and IPV6 6 Marks
c) With a well labeled diagram discuss the IPV4 classful IP addressing scheme.
10 Marks
d) Describe the term Internet Service Provider and name two ISPs in Kenya 2 Marks
QUESTION 3: 20 MARKS
a) Giving examples, define the following terms 4 Marks
i. Web browser
ii. Website
iii. Search engine
iv. Chat
c) explain what is meant by the following term in the context of data communication
6 Marks
i. Best effort delivery
ii. Routing
iii. Connection-Oriented service
d) Convert the following 32-bit binary number into decimal notation 4 Marks
10000001 00110100 00000110 00000000
e) Describe the following social media communication applications 6 Marks
i. Whatsapp
ii. Skype
iii. Facebook
QUESTION 4: 20 MARKS
a) Explain what you understand the term “client-server computing” to mean 2 Marks
b) Every IP address is made up of two parts the Prefix and the suffix. Describe the two parts
highlighting their importance 4 Marks
c) With the help of a diagram discuss the four layer Internet Model 4 Marks
d) Describe the following terms 3 Marks
i. Domain Name
ii. Uniform Resource Locator (URL)
e) Describe the parts of the following URL given below. 3 Marks
“http://www.azimuth-interactive.com/flash_test”
f) Describe the following protocols available in the OSI application layer highlighting their
functions. 4 Marks
i. HTTP
ii. SMTP
iii. Telnet
iv. FTP
QUESTION 5: 20 MARKS
a) Describe the following protocols 4 Marks
i. Address Resolution Protocol (ARP)
ii. Reverse Address Resolution Protocol (RARP)
b) Describe the concept of encapsulation and de-encapsulation in the context of OSI Reference
Model 4 Marks
c) Define the following terms. 4 Marks
i. HTML tag
ii. HTML headings
d) Explain what the following HTML lines mean and their output 7 Marks
<!DOCTYPE html>
<html>
<head>
<title>Page Title</title>
</head>
<body>
<h1>My First Heading</h1>
<p>My first paragraph.</p>
</body>
</html>
